diff --git a/.devcontainer/cuda12.6-oneapi2023.2.0/devcontainer.json b/.devcontainer/cuda12.6-oneapi2023.2.0/devcontainer.json
deleted file mode 100644
index 7c54383deeb..00000000000
--- a/.devcontainer/cuda12.6-oneapi2023.2.0/devcontainer.json
+++ /dev/null
@@ -1,54 +0,0 @@
-{
-  "shutdownAction": "stopContainer",
-  "image": "rapidsai/devcontainers:25.02-cpp-oneapi2023.2.0-cuda12.6",
-  "hostRequirements": {
-    "gpu": "optional"
-  },
-  "initializeCommand": [
-    "/bin/bash",
-    "-c",
-    "mkdir -m 0755 -p ${localWorkspaceFolder}/.{aws,cache,config}; mkdir -m 0755 -p ${localWorkspaceFolder}/build;",
-    "if [[ -n ${WSLENV+set} ]]; then docker volume create cccl-build; else docker volume create --driver local --opt type=none --opt device=${localWorkspaceFolder}/build --opt o=bind cccl-build fi;"
-  ],
-  "containerEnv": {
-    "SCCACHE_REGION": "us-east-2",
-    "SCCACHE_BUCKET": "rapids-sccache-devs",
-    "AWS_ROLE_ARN": "arn:aws:iam::279114543810:role/nv-gha-token-sccache-devs",
-    "HISTFILE": "${containerWorkspaceFolder}/.cache/._bash_history",
-    "DEVCONTAINER_NAME": "cuda12.6-oneapi2023.2.0",
-    "CCCL_CUDA_VERSION": "12.6",
-    "CCCL_HOST_COMPILER": "oneapi",
-    "CCCL_HOST_COMPILER_VERSION": "2023.2.0",
-    "CCCL_BUILD_INFIX": "cuda12.6-oneapi2023.2.0",
-    "CCCL_CUDA_EXTENDED": "false"
-  },
-  "workspaceFolder": "/home/coder/${localWorkspaceFolderBasename}",
-  "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/${localWorkspaceFolderBasename},type=bind,consistency=consistent",
-  "mounts": [
-    "source=${localWorkspaceFolder}/.aws,target=/home/coder/.aws,type=bind,consistency=consistent",
-    "source=${localWorkspaceFolder}/.cache,target=/home/coder/.cache,type=bind,consistency=consistent",
-    "source=${localWorkspaceFolder}/.config,target=/home/coder/.config,type=bind,consistency=consistent",
-    "source=cccl-build,target=/home/coder/cccl/build"
-  ],
-  "customizations": {
-    "vscode": {
-      "extensions": [
-        "llvm-vs-code-extensions.vscode-clangd",
-        "xaver.clang-format",
-        "nvidia.nsight-vscode-edition",
-        "ms-vscode.cmake-tools"
-      ],
-      "settings": {
-        "editor.defaultFormatter": "xaver.clang-format",
-        "editor.formatOnSave": true,
-        "clang-format.executable": "/usr/bin/clang-format",
-        "clangd.arguments": [
-          "--compile-commands-dir=${workspaceFolder}"
-        ],
-        "files.eol": "\n",
-        "files.trimTrailingWhitespace": true
-      }
-    }
-  },
-  "name": "cuda12.6-oneapi2023.2.0"
-}
diff --git a/ci/matrix.yaml b/ci/matrix.yaml
index fd7f2f079c4..2be3f085bb5 100644
--- a/ci/matrix.yaml
+++ b/ci/matrix.yaml
@@ -16,7 +16,7 @@ workflows:
     - {jobs: ['build'], std: [11, 14], cxx: ['gcc7', 'clang9']}
     - {jobs: ['build'], std: 'max', cxx: ['gcc8', 'gcc9', 'gcc10', 'gcc11', 'gcc12']}
     - {jobs: ['build'], std: 'max', cxx: ['clang10', 'clang11', 'clang12', 'clang13', 'clang14', 'clang15', 'clang16', 'clang17']}
-    - {jobs: ['build'], std: 'max', cxx: ['intel', 'msvc2019']}
+    - {jobs: ['build'], std: 'max', cxx: ['msvc2019']}
     - {jobs: ['build'], std: [17, 20], cxx: ['gcc', 'clang', 'msvc']}
     # Current CTK testing:
     - {jobs: ['test'],  project: ['libcudacxx', 'thrust'], std: 'max', cxx: ['gcc']}
@@ -70,7 +70,7 @@ workflows:
     # Current CTK build-only
     - {jobs: ['build'], std: 'all', cxx: ['gcc7', 'gcc8', 'gcc9', 'gcc10', 'gcc11', 'gcc12']}
     - {jobs: ['build'], std: 'all', cxx: ['clang9', 'clang10', 'clang11', 'clang12', 'clang13', 'clang14', 'clang15', 'clang16', 'clang17']}
-    - {jobs: ['build'], std: 'all', cxx: ['intel', 'msvc2019']}
+    - {jobs: ['build'], std: 'all', cxx: ['msvc2019']}
     # Test current CTK
     - {jobs: ['test'],  std: 'all', cxx: ['gcc13', 'clang18', 'msvc2022']}
     # Modded builds:
@@ -183,12 +183,6 @@ host_compilers:
       14.29: { stds: [    14, 17,   ], aka: '2019' }
       14.36: { stds: [    14, 17, 20]              }
       14.39: { stds: [    14, 17, 20], aka: '2022' }
-  intel:
-    name: 'Intel'
-    container_tag: 'oneapi'
-    exe: icpc
-    versions:
-      2023.2.0: { stds: [11, 14, 17,   ] }
   nvhpc:
     name: 'NVHPC'
     container_tag: 'nvhpc'